Alert archive / Missouri / Mesoscale Discussions in 2003

Mesoscale Discussion 560

April 24, 20039 counties in Kansas; 25 counties in Missouri

The Storm Prediction Center issued this mesoscale discussion at Apr 24, 2003, 12:03 PM CDT for 9 counties in Kansas; 25 counties in Missouri. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued
Apr 24, 2003, 12:03 PM CDT (17:03 UTC)
Expired
Apr 24, 2003, 2:30 PM CDT
In force
2 hr
Issued by
the Storm Prediction Center
All 34 counties

Allen County, KS, Anderson County, KS, Bourbon County, KS, Coffey County, KS, Franklin County, KS, Linn County, KS, Miami County, KS, Osage County, KS, Woodson County, KS, Barry County, MO, Bates County, MO, Benton County, MO, Camden County, MO, Cass County, MO, Cedar County, MO, Christian County, MO, Dade County, MO, Dallas County, MO, Greene County, MO, Henry County, MO, Hickory County, MO, Johnson County, MO, Laclede County, MO, Lawrence County, MO, Miller County, MO, Morgan County, MO, Pettis County, MO, Polk County, MO, Pulaski County, MO, St. Clair County, MO, Stone County, MO, Vernon County, MO, Webster County, MO, Wright County, MO

The radar

The Pleasant Hill radar (KEAX), 106 km from the middle of the area, began a volume at 17:04 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 5.1 hours before the alert went out and 116 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Springfield, MO at 12:00Z on 2003-04-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 12:00Z on 2003-04-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 254 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
789 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
254 m²/s²
0-3 km storm-relative helicity
282 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 24, 1:11 AM CDTMesoscale DiscussionSPCHarper, Harvey, Kingman, McPherson, Marion, Reno and 2 more2 hr
Apr 24, 2:35 PM CDTSevere Thunderstorm WatchSPCAnderson, Chase, Coffey, Dickinson, Douglas, Franklin and 15 more5 hr
Apr 24, 3:27 PM CDTMesoscale DiscussionSPCAnderson, Chase, Coffey, Dickinson, Douglas, Franklin and 15 more2 hr
Apr 24, 5:51 PM CDTMesoscale DiscussionSPCAnderson, Butler, Chase, Coffey, Dickinson, Douglas and 18 more54 min
Apr 24, 5:52 PM CDTMesoscale DiscussionSPCBenton, Camden, Carter, Christian, Dallas, Douglas and 12 more113 min
Apr 24, 6:35 PM CDTTornado WatchSPCButler, Carter, Douglas, Dunklin, Howell, Oregon and 7 more5 hr

Nearby

Mesoscale Discussions in Missouri, 2003Mesoscale Discussions in Kansas, 2003Every mesoscale discussion in 2003

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.